Home / 89,317.77-123,268.35-51,080.88

Finding the Fourth Proportional to 89,317.77, 123,268.35 and 51,080.88

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Solution

The fourth proportional to 89,317.77, 123,268.35 and 51,080.88 is: 70,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,317.77 : 123,268.35 = 51,080.88 : x
  2. Step 2: Convert to fraction form
    89,317.77/123,268.35 = 51,080.88/x
  3. Step 3: Cross multiply
    89,317.77x = 123,268.35 × 51,080.88
  4. Step 4: Simplify right side
    89,317.77x = 6,296,655,794.15
  5. Step 5: Solve for x
    x = 6,296,655,794.15/89,317.77
  6. Step 6: Final answer
    x = 70,497.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.